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Behavioral Health Chapter 18: Eating and Feeding Disorders

Terms in this set (38)

Eating Disorder Types
- anorexia nervosa
- bulimia nervosa
- binge-eating disorder
Anorexia Nervosa Types
- binge eating/purging
- restricting
Anorexia Nervosa Characteristics
- intense fear of weight gain
- distorted body image
- restricting: restrict calorie intake
Bulimia Nervosa Types
- purging
- non-purging
Bulimia Nervosa: Non-Purging
- compensatory behaviors, like vomiting, laxatives, diuretics, or exercise
- self-image influenced by body image
Binge-Eating Disorder
do not have compensatory behaviors
Binge-Eating Disorder Characteristics
- guilt
- shame
- depression
What are common comorbid conditions?
- depression
- anxiety
- leads to elevated risk for suicide
- OCD (25%)
- sexual abuse
Etiology: Neurobiological
- altered brain serotonin function
- contributes to dysregulation of appetite, mood, and impulse control
- tryptophan, an amino acid often found in food, contributes to serotonin function
(Anorexia) Diagnostic Criteria
- refusal to maintain body weight at above a minimally normal weight for age and height
- intense fear of gaining weight or becoming fat
- denial of the seriousness of current low body weight
- restrict intake
- disturbance in the way one's body weight and shape is experienced
(Anorexia) Clinical Presentation
- low weight
- amenorrhea (at least 3 consecutive cycles)
- cold extremities
- muscle weakness
- abnormal thyroid function tests
- hypokalemia
- possible elevated cholesterol
- anemic pancytopenia
- decreased bone density
- lanugo (fine downy hair)
- poor skin turgor
- yellowed skin (increased carotene levels)
- EKG changes
(Anorexia) Complications
- hypotension
- bradycardia
- dysrhythmias
- QT prolongation
- cardiomyopathy
- refeeding syndrome
(Anorexia) Refeeding Syndrome
- circulatory collapse that occurs when a client's completely compromised cardiac system is overwhelmed by a replenished vascular system after normal fluid intake resumes
- can cause cardiac arrest
(Anorexia) How can refeeding syndrome be prevented?
- introduce foods slowly
- 1-2 lb weight gain
(Anorexia) What is most helpful?
setting realistic eating goals
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